CN219791885U - Plastic film flattening device convenient to adjust - Google Patents

Abstract

The utility model discloses a plastic film flattening device convenient to adjust, which comprises a frame and a feeding component, wherein a shell is arranged between the frame and the feeding component, the shell is connected with the frame, an opening is formed in one side of the shell, a discharging component is arranged on one side of the shell with the opening, and the discharging component is connected with the frame; the surface of the flattening roller shows periodic variation of stretching, compressing and stretching when rotating, and in the feeding process, the plastic film runs on the convex surface of the flattening roller and is flattened under the action of friction force; the mandrel of the arched flattening roller can be adjusted through rotating the adjusting handle, the included angle between the arched protruding part of the arched flattening roller and the plastic film is adjusted, the flattening amplitude is changed, the flattening roller in contact with the plastic film can be selected through rotating the adjusting knob, and the working efficiency is not reduced as much as possible when faults or overhauls are facilitated.

Description

Plastic film flattening device convenient to adjust

Technical Field

The utility model belongs to the technical field of plastic films, and particularly relates to a plastic film flattening device convenient to adjust.

Background

When plastic films are produced, when the films enter a traction device, a thickness gauge, a corona processor, a slitter edge cutting device or a roller, the films are subjected to stretching stress, and longitudinal wrinkles appear between two parts or two rollers. The larger the spatial distance, the more severe the wrinkles. If these wrinkles are not removed in time, the product may have inaccurate thickness measurement or may have a gap when cutting the film, so that defects such as film breakage may occur. Therefore, the flattening roller is installed at the above-mentioned position.

The arc roller is a common flattening roller, the traditional arc roller only has the capability of adjusting the bending amplitude, once the arc roller is fixed, the angle between the arc-shaped protruding part and the plastic film is difficult to change, the flattening amplitude of the plastic film is uncontrollable, and the application range is small; and single nip roll is at during operation, and easy tired product that leads to is bad, when machine trouble or maintenance, can't resume production fast, work efficiency is low.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a plastic film flattening device convenient to adjust.

The technical scheme adopted by the utility model is as follows:

the utility model provides a plastic film flattening device convenient to adjust, includes frame and feeding subassembly, the frame with be equipped with the casing between the feeding subassembly, the casing with the frame is connected, one side of casing is equipped with the opening, one side that the casing has the opening is equipped with ejection of compact subassembly, ejection of compact subassembly with the frame is connected; a working space is arranged in the shell, a mounting plate is fixedly arranged on the inner wall of the working space, a plurality of guide rollers are rotatably arranged on the mounting plate, and the guide rollers guide the plastic film to enter the discharging assembly from the feeding assembly; and a flattening roller is arranged on one side of the working space, which is close to the discharging assembly, and is rotationally connected with the mounting plate.

Preferably, the plurality of guide rollers are parallel to each other, each of the guide rollers is in contact with the plastic film, a projected length of a contact portion of the guide roller with the plastic film on a cross section of the guide roller is L, and a perimeter of the cross section of the guide roller is S, L/S < 1/4.

Preferably, the mounting plates are at least two, and both ends of each guide roller are rotatably connected with at least one mounting plate.

Preferably, the flattening rollers are provided with two groups, the two groups of flattening rollers are respectively positioned at two sides of the plastic film, and two ends of the flattening rollers penetrate through the mounting plate and the shell.

Preferably, one end of the flattening roller penetrating through the shell is fixedly provided with sector teeth, and two sector teeth positioned on the same side are meshed with each other; one end of each flattening roll, which is positioned outside the working space, is fixedly provided with a rotating sleeve, the rotating sleeve is positioned between the sector teeth and the shell, one side, which is close to the discharging assembly, of each rotating sleeve is provided with a limiting groove, the limiting groove is connected with the outer side wall of the shell, two rotating sleeves at two ends of one flattening roll are respectively provided with an adjusting handle, the adjusting handles are positioned on the peripheral side of the rotating sleeve, and the two adjusting handles respectively slide in the two limiting grooves; and two ends of the flattening roller are respectively provided with a protective shell, and the protective shell is connected with the outer side wall of the shell.

As the preferable mode of the utility model, the right-angle rod is arranged on the mounting plate, the inflection point of the right-angle rod is hinged with the mounting plate, one end of the right-angle rod, which is far away from the feeding component, is hinged with the rotating shaft, one side of the rotating shaft, which is close to the discharging component, is in threaded connection with the shell, one end of the rotating shaft, which is close to the discharging component, extends out of the working space, and one end of the rotating shaft, which is positioned outside the working space, is fixedly provided with the adjusting knob.

As the preference of the utility model, one end of the right-angle rod, which is close to the discharging assembly, is rotatably provided with a movable rod, one side of the movable rod is provided with a fixed rod, two ends of the fixed rod are respectively rotatably connected with the two mounting plates, and the fixed rod and the movable rod are respectively positioned at two sides of the plastic film.

As the preferable mode of the utility model, one end of the right-angle rod, which is close to the discharging assembly, extends to the feeding assembly to form an extension section, an adjusting plate is rotatably arranged on the extension section of the right-angle rod, and the adjusting plate and the movable rod are respectively positioned on two sides of the plastic film.

The beneficial effects of the utility model are as follows: as a plastic film flattening device convenient to adjust, the surface of the flattening roller can show periodic changes of stretching, compressing and stretching when the flattening roller rotates, and in the feeding process, the plastic film runs on the convex surface of the flattening roller and is flattened under the action of friction force; the mandrel of the arched flattening roller can be adjusted through rotating the adjusting handle, the included angle between the arched protruding part of the arched flattening roller and the plastic film is adjusted, the flattening amplitude is changed, the flattening roller in contact with the plastic film can be selected through rotating the adjusting knob, and the working efficiency is not reduced as much as possible when faults or overhauls are facilitated.

Drawings

The utility model will be described in further detail with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the structure of FIG. 1 of the present utility model;

FIG. 3 is a schematic view of the A-A direction structure of FIG. 2 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at C in accordance with the present utility model;

FIG. 5 is a schematic view of the B-B direction structure of FIG. 2 according to the present utility model;

fig. 6 is an enlarged schematic view of the structure of fig. 5D according to the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In the following, referring to fig. 1-6, a plastic film flattening device with convenient adjustment is described, in one embodiment of the present utility model, the plastic film flattening device includes a frame 11 and a feeding assembly 13, a housing 12 is disposed between the frame 11 and the feeding assembly 13, the housing 12 is connected to the frame 11, an opening is disposed on one side of the housing 12, a discharging assembly 16 is disposed on the side of the housing 12 with the opening, and the discharging assembly 16 is connected to the frame 11; a working space is formed in the shell 12, a mounting plate 24 is fixedly arranged on the inner wall of the working space, a plurality of guide rollers 26 are rotatably arranged on the mounting plate 24, and the guide rollers 26 guide the plastic film 25 to enter the discharging assembly 16 from the feeding assembly 13; a flattening roller 17 is arranged on one side of the working space, which is close to the discharging assembly 16, and the flattening roller 17 is rotatably connected with the mounting plate 24. The flattening roller 17 has an arcuate spindle which is fitted with a plurality of axially symmetrical rolling bearings of equal size and spacing and spaced apart by helical spring strips, the bearings being externally covered with rubber, the two shaft ends of the spindle being provided with spherical bearings, the spindle being stationary during operation, the rubber jacket being driven by a drive belt to rotate in transversely inclined contact with the plastic film 25, the angle of inclination being adjustable by twisting the spindle.

In another embodiment of the present utility model, a plurality of the guide rollers 26 are parallel to each other, each of the guide rollers 26 is in contact with the plastic film 25, a projected length of a contact portion of the guide roller 26 with the plastic film 25 on a cross section of the guide roller 26 is L, and a circumference of the cross section of the guide roller 26 is S, L/S < 1/4. The part of the plastic film 25 covering the guide rollers 26 is less than 1/4, namely at least 4 guide rollers 26 exist, when feeding and discharging are parallel, the transverse bending of the plastic film 25 is an obtuse angle, so that the single guide roller 26 is ensured not to be excessively worn, and the service life of the plastic film is prolonged.

In another embodiment of the present utility model, there are two mounting plates 24, and the two mounting plates 24 are respectively located on two inner walls opposite to the working space, and two ends of each guiding roller 26 are respectively and rotatably connected with the two mounting plates 24. The mounting plates 24 are shaped like a door, and correspond to the distribution points of the guide rollers 26, and one mounting plate 24 is arranged at each end of the guide rollers 26, so that the stability of the guide rollers 26 is improved, and the weight of the equipment is reduced.

In another embodiment of the present utility model, the nip rollers 17 are provided in two sets, each set including one, two nip rollers 17 are respectively located at two sides of the plastic film 25, and both ends of each nip roller 17 penetrate through the two mounting plates 24 and the housing 12, respectively. The portion of the spreader roll 17 exposed outside the working space, i.e. the point where the spindle of the spreader roll 17 is rotationally adjusted.

In another embodiment of the utility model, each of said nip rollers 17 is fixedly provided with a sector tooth 28 at one end penetrating said housing 12, two of said sector teeth 28 on the same side being intermeshed; one end of each flattening roll 17, which is positioned outside the working space, is fixedly provided with a rotating sleeve 27, the rotating sleeve 27 is positioned between the sector teeth 28 and the shell 12, one side, which is close to the discharging assembly 16, of each rotating sleeve 27 is provided with a limiting groove 29, the limiting grooves 29 are connected with the outer side wall of the shell 12, two rotating sleeves 27 at two ends of one flattening roll 17 are respectively provided with an adjusting handle 15, the adjusting handles 15 are positioned on the periphery of the rotating sleeve 27, and the two adjusting handles 15 respectively slide in the limiting grooves 29; two ends of the flattening roller 17 are respectively provided with a protective shell 14, and the protective shells 14 are connected with the outer side wall of the shell 12. The adjusting handle 15 moves in the limiting groove 29 and cannot reset independently, a plurality of gears are arranged on the side face of the limiting groove 29, the connecting part of the adjusting handle 15 and the rotating sleeve 27 is hinged, and when the adjusting handle 15 is adjusted, the adjusting handle 15 needs to be broken off, separated from the gears of the limiting groove 29, and then put into a new gear after being adjusted in a rotating mode.

In another embodiment of the present utility model, the mounting plate 24 is provided with a right angle rod 22, an inflection point of the right angle rod 22 is hinged with the mounting plate 24, one end of the right angle rod 22 away from the feeding assembly 13 is hinged with a rotating shaft 20, one side of the rotating shaft 20 close to the discharging assembly 16 is in threaded connection with the shell 12, one end of the rotating shaft 20 close to the discharging assembly 16 extends out of the working space, and one end of the rotating shaft 20 positioned outside the working space is fixedly provided with an adjusting knob 18; the right-angle rod 22 is close to one end of the discharging assembly 16 and is rotatably provided with a movable rod 19, one side of the movable rod 19 is provided with a fixed rod 23, two ends of the fixed rod 23 are respectively and rotatably connected with two mounting plates 24, and the fixed rod 23 and the movable rod 19 are respectively positioned on two sides of the plastic film 25. The hinge point of the right angle lever 22 and the rotating shaft 20 is not completely hinged, and there is a degree of freedom, specifically, a pin is arranged on the rotating shaft 20, a waist-shaped hole is arranged on the right angle lever 22, the pin can slide except rotating in the hole, the pin always moves vertically along with the rotating shaft 20, and the pin and the hole can slightly slide in horizontal arrangement.

In another embodiment of the present utility model, an end of the right-angle rod 22 near the discharging component 16 extends toward the feeding component 13 to form an extension section, an adjusting plate 21 is rotatably disposed on the extension section of the right-angle rod 22, the adjusting plate 21 and the movable rod 19 are respectively located at two sides of the plastic film 25, and the adjusting plate 21 is in contact with the plastic film 25. When the right-angle bars 22 are arranged in two groups, the longitudinal inclination degree of the plastic film 25 can be adjusted, when the center of the plastic film 25 does not correspond to the highest point of the arch-shaped bulge of the flattening roller 17, the inclination degree of the plastic film 25 can be adjusted, the flattening degree of two sides can be changed, the flattening degree of one side is large, the flattening degree of the other side is small, and even if the parent roll is deflected, the child roll can be wound in the middle by adjusting.

The working principle of the utility model is as follows:

the frame 11, the feeding assembly 13 and the discharging assembly 16 of the present utility model are common mechanisms in the art, wherein the feeding assembly 13 is provided with at least a parent roll (with folds) hanging position, and the discharging assembly 16 provides the power for winding the child roll (after flattening).

The flattening roller 17 is an arc roller, belongs to a flexible roller, and has a surface which shows periodic change of stretching, compression and stretching when rotating, and the plastic film 25 runs on the convex surface of the flattening roller 17 in the feeding process and is flattened under the action of friction force.

The feeding direction of the plastic film 25 is basically consistent with the arch-shaped protruding direction of the flattening roller 17, and a small included angle is needed, the included angle influences the stretching degree of the plastic film 25, and the stretching degree of the plastic film 25 can be changed by manually adjusting the adjusting handle 15; specifically, after the adjustment handle 15 is rotated along the limit groove 29, the rotation sleeve 27 and the nip roller 17 rotate together with the adjustment handle 15, and the protruding direction of the nip roller 17 is changed;

when the plastic film 25 is flattened, the plastic film 25 only contacts with the surface of one flattening roller 17, the arch protruding directions of the two flattening rollers 17 are opposite, and when the plastic film rotates, the fan-shaped teeth 28 rotate along with the flattening rollers 17, the two fan-shaped teeth 28 are meshed with each other, and the arch protruding positions of the two flattening rollers 17 face upwards or downwards simultaneously;

with reference to the view angle of fig. 4, adjusting the adjustment knob 18 can select with which nip roller 17 the plastic film 25 is in contact; specifically, when the adjusting knob 18 is rotated, the rotating shaft 20 rotates along with the adjusting knob 18, and because the rotating shaft 20 is in threaded fit with the shell 12, the rotating shaft 20 moves along the axial direction of the rotating shaft, when the rotating shaft 20 moves upwards, the right angle rod 22 is driven to rotate along the hinge point of the right angle rod and the mounting plate 24, and the adjusting plate 21 pushes the plastic film 25 to move together, so that the plastic film 25 is close to the left flattening roll 17; when the adjustment knob 18 is turned in the opposite direction, the adjustment plate 21 will move to the right, and before the adjustment plate 21 leaves the plastic film 25 (i.e. before the plastic film 25 is vertical), the plastic film 25 has contacted the arcuate projecting portion of the right nip roll 17.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be connected, for example, as well as removably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.

Claims (8)

1. Plastic film flattening device convenient to adjust, its characterized in that: the automatic feeding device comprises a frame and a feeding assembly, wherein a shell is arranged between the frame and the feeding assembly, the shell is connected with the frame, an opening is formed in one side of the shell, a discharging assembly is arranged on one side of the shell with the opening, and the discharging assembly is connected with the frame; a working space is arranged in the shell, a mounting plate is fixedly arranged on the inner wall of the working space, a plurality of guide rollers are rotatably arranged on the mounting plate, and the guide rollers guide the plastic film to enter the discharging assembly from the feeding assembly; and a flattening roller is arranged on one side of the working space, which is close to the discharging assembly, and is rotationally connected with the mounting plate.

2. A plastic film flattening apparatus for facilitating adjustment as in claim 1, wherein: the guide rollers are parallel to each other, each guide roller is in contact with the plastic film, the projection length of the contact part of the guide roller and the plastic film on the cross section of the guide roller is L, and the perimeter of the cross section of the guide roller is S, and L/S is less than 1/4.

3. A plastic film flattening apparatus for facilitating adjustment according to claim 1 or 2, wherein: the mounting plates are at least two, and two ends of each guide roller are rotatably connected with at least one mounting plate.

4. A plastic film flattening apparatus in accordance with claim 3, wherein the plastic film flattening apparatus is adjustable in that: the flattening rollers are provided with two groups, the two groups of flattening rollers are respectively positioned on two sides of the plastic film, and two ends of each flattening roller penetrate through the mounting plate and the shell.

5. The plastic film flattening apparatus of claim 4, wherein the plastic film flattening apparatus is adjustable: one end of the flattening roller penetrating through the shell is fixedly provided with sector teeth, and the two sector teeth positioned on the same side are meshed with each other; one end of each flattening roll, which is positioned outside the working space, is fixedly provided with a rotating sleeve, the rotating sleeve is positioned between the sector teeth and the shell, one side, which is close to the discharging assembly, of each rotating sleeve is provided with a limiting groove, the limiting groove is connected with the outer side wall of the shell, two rotating sleeves at two ends of one flattening roll are respectively provided with an adjusting handle, the adjusting handles are positioned on the peripheral side of the rotating sleeve, and the two adjusting handles respectively slide in the two limiting grooves; and two ends of the flattening roller are respectively provided with a protective shell, and the protective shell is connected with the outer side wall of the shell.

6. A plastic film flattening apparatus in accordance with claim 3, wherein the plastic film flattening apparatus is adjustable in that: be equipped with the right angle pole on the mounting panel, the inflection point of right angle pole with the mounting panel is articulated, the right angle pole is kept away from the one end of pay-off subassembly is articulated to have the axis of rotation, the axis of rotation be close to one side of ejection of compact subassembly with casing threaded connection, the axis of rotation is close to the one end of ejection of compact subassembly extends to outside the working space, the axis of rotation is located the one end outside the working space is fixed and is equipped with adjust knob.

7. The plastic film flattening apparatus of claim 6, wherein the plastic film flattening apparatus is adjustable: the right angle pole is close to the one end rotation of ejection of compact subassembly is equipped with the movable rod, one side of movable rod is equipped with the dead lever, the both ends of dead lever respectively with two the mounting panel rotates to be connected, the dead lever with the movable rod is located respectively the both sides of plastic film.

8. The plastic film flattening apparatus of claim 7, wherein the plastic film flattening apparatus is adjustable: the right angle pole is close to the one end of ejection of compact subassembly to the extension of pay-off subassembly forms the extension, rotate on the extension of right angle pole and be equipped with the regulating plate, the regulating plate with the movable rod is located respectively the both sides of plastic film.